Question

Tính bằng cách thuận tiện nhất:

2015/2019 : 1/2 + 3/2019 :1/2 + 1/2019 : 1/2

Answer 1

=(2015/ 2019 + 3/2019 + 1/2019 ) : 1/2

= 2019/2019 x 2

= 1 x2 

=2

Answer 2

2015/2019:1/2+3/2019:1/2+1/2019:1/2

=(2015/2019+3/2019+1/2019):1/2

=1:1/2

=2

k cho mink nha

Answer 3

2015/2019 : 1/2 + 3/2019 : 1/2 + 1/2019 : 1/2

= ( 2015/2019 + 3/2019 + 1/2019 ) : 1/2

= 1 : 1/2

= 2

Chúc bn hok tốt ! ^_^

Answer 4

2015/2019 c1/2 +3/2019 :1/2 +1/2019 :1/2​​

​=(2015/2019+3/2019+1/2019) :1/2

​=2019/2019 :1/2

=1 :1/2

​= 2

Answer 5

Ai xog đầu zậy